package com.wu.ssm.study.modifier;

/**
 * Created by wzf on 2018/11/19/019.
 */
public class B extends A{
    public static void main(String[] args) {
        B b = new B();

        b.say1();
        b.say2();
        //b.say3();
        b.say4();
        System.out.println(b.a1);
        System.out.println(b.a2);
        //System.out.println(b.a3);
        System.out.println(b.a4);
    }
}
